Discrete geometry for computer imagery : 12th international conference, DGCI 2005, Poitiers, France, April 13-15, 2005 : proceedings

This book constitutes the refereed proceedings of the 12th International Conference on Discrete Geometry for Computer Imagery, DGCI 2005, held in Poitiers, France in April 2005. The 36 revised full papers presented together with an invited paper were carefully reviewed and selected from 53 submissions. The papers are organized in topical sections on applications, discrete hierarchical geometry, discrete tomography, discrete topology, object properties, reconstruction and recognition, uncertain geometry, and visualization. Front Matter....Pages - Increasing Interconnection Network Connectivity for Reducing Operator Complexity in Asynchronous Vision Systems....Pages 1-10 Geometric Robot Mapping....Pages 11-22 Discrete Geometry Applied in Hard Real-Time Systems Validation....Pages 23-33 Hierarchical Watersheds Within the Combinatorial Pyramid Framework....Pages 34-44 Optimal Design of 2D/3D Hierarchical Content-Based Meshes for Multimedia....Pages 45-55 Receptive Fields for Generalized Map Pyramids: The Notion of Generalized Orbit....Pages 56-67 Resolution Pyramids on the FCC and BCC Grids....Pages 68-78 The Mojette Transform: The First Ten Years....Pages 79-91 On the Stability of Reconstructing Lattice Sets from X-rays Along Two Directions....Pages 92-103 Reconstruction of Decomposable Discrete Sets from Four Projections....Pages 104-114 A Tomographical Characterization of L-Convex Polyominoes....Pages 115-125 Computerized Tomography with Digital Lines and Linear Programming....Pages 126-135 A Discrete Modulo N Projective Radon Transform for N × N Images....Pages 136-147 Two Remarks on Reconstructing Binary Vectors from Their Absorbed Projections....Pages 148-152 How to Obtain a Lattice Basis from a Discrete Projected Space....Pages 153-160 Local Characterization of a Maximum Set of Digital (26,6)-Surfaces....Pages 161-171 Algorithms for the Topological Watershed....Pages 172-182 The Class of Simple Cube-Curves Whose MLPs Cannot Have Vertices at Grid Points....Pages 183-194 Computation of Homology Groups and Generators....Pages 195-205 Inclusion Relationships and Homotopy Issues in Shape Interpolation for Binary Images....Pages 206-215 Discrete Bisector Function and Euclidean Skeleton....Pages 216-227 Pixel Queue Algorithm for Geodesic Distance Transforms....Pages 228-239 Analysis and Comparative Evaluation of Discrete Tangent Estimators....Pages 240-251 Surface Volume Estimation of Digitized Hyperplanes Using Weighted Local Configurations....Pages 252-262 Rectification of the Chordal Axis Transform and a New Criterion for Shape Decomposition....Pages 263-275 Generalized Functionality for Arithmetic Discrete Planes....Pages 276-286 Complexity Analysis for Digital Hyperplane Recognition in Arbitrary Fixed Dimension....Pages 287-298 An Elementary Algorithm for Digital Line Recognition in the General Case....Pages 299-310 Supercover Model and Digital Straight Line Recognition on Irregular Isothetic Grids....Pages 311-322 Discrete Epipolar Geometry....Pages 323-334 Local Point Configurations of Discrete Combinatorial Surfaces....Pages 335-346 Reversible Polygonalization of a 3D Planar Discrete Curve: Application on Discrete Surfaces....Pages 347-358 Uncertain Geometry in Computer Vision....Pages 359-370 Optimal Blurred Segments Decomposition in Linear Time....Pages 371-382 Shape Preserving Digitization of Binary Images After Blurring....Pages 383-391 A Low Complexity Discrete Radiosity Method....Pages 392-403 A Statistical Approach for Geometric Smoothing of Discrete Surfaces....Pages 404-413 Arbitrary 3D Resolution Discrete Ray Tracing of Implicit Surfaces....Pages 414-426 Back Matter....Pages -